Proudly Australian Owned & Operated

Proudly Australian Owned & Operated

Now in its 3rd generation of ownership, Master Instruments continues to specialise in the manufacture, importation & distribution of batteries, battery packs & associated equipment such as battery chargers, analysers & power products, for both the consumer & industrial sectors.

Our Products

Our Products

From consumer focused AA batteries to replacement mobile or laptop batteries; or an in-house manufactured medical equipment battery to fully customised battery solutions for mining or defence projects, we.ll have a suitable solution for you.

Retail & Wholesale Support

Retail & Wholesale Support

With over 8000 stocked lines covering a multitude of applications and fitments, MI can support your retail or wholesale business by providing fast and efficient service and quality products. Our strength is our ability to efficiently cater to all size orders.

Custom & Industrial Battery Solutions

Custom & Industrial Battery Solutions

With in-house & offshore manufacturing capabilities specialising in all primary and rechargeable technologies, we have proven results in industries such as mining, medical, defence and more.

Batteries By Application Use

Explore by product category, application or intended use

Batteries By Chemistry

Find your battery by chemistry type both rechargeable & primary

Battery Chargers

Chargers for batteries and electronic devices

Battery Analysers

View our range of battery testers & analysers

Battery Assembly

Custom battery pack assembly provision

Industry Solutions

Explore our capabilities to supply your industry need

Power Products

For all your AC & DC power supplies, solar, inverters & power distribution

Battery Assembly Parts

Battery assembly components, parts, leads & connectors

Test & Measurement

Digital test & measurement, telco equipment analogue meters & shunts

Torches & Flashlights

LED & standard torches, flashlight & exit light batteries

Battery Holders & Cases

We cater for a range of battery holders and cases

Power Engineering Tools

Crimping, Opening & Extraction Tools, Cordless Soldering Irons.

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Featured Products

Enecharger Battery Guardian

The ICS1 Battery Guardian is finally here! Just plug-&-play to Charge and Maintain 6V or 12 SLA batteries Click the heading to read more

Fujitsu AA NiMH

The Fujitsu AA is still the most preferred cell for consumer and commercial use. When reliabilty and performance matter Click the heading to read more

Ansmann Focusable Torch

Ansmann's range of torches is quite diverse. The Future T200F is AAA powered and features a focusable beam! Click the heading for more

Enecharger Battery Pack Charger

The new NC500U 4.8V-12V NiCd/NiMH battery pack charger is here! 500mAh output and fully automatic operation  Click the heading for more

Products by Brand


Lithium Air Freight Update


Lithium Batteries by AirfreightRead More

MI @ AAAA Expo


Master Instruments proudly supported Victron Energy at this years Australian Automotive Aftermarket ExpoRead More

ICS1 Battery Guardian


Battery Guardian - Fully Automatic 6V and 12V 1.0Amp Charger and Maintainer now availableRead More

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